Github user marmbrus commented on the pull request:
https://github.com/apache/spark/pull/1085#issuecomment-46111249
My guess on the test failures is that we are starting up two spark contexts
inside of the same JVM, which is not allowed. I had the same problems with the
first PR for the Java API, which is why that test is marked ignore. If you can
figure it out that would be great. However, I think fixing the idempotence bug
for Java DDL commands is important enough to commit this without the additional
tests running.
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